WW91IGFyZW4ndCBtaXNzaW5nIGFueXRoaW5nLiBJdHMg
cGVyZmVjdGx5IG5vcm1hbCBmb3IgaWRlbnRpZmllcnMg
d2hpY2ggbWF5IG5lZWQgdG8gYmUgcmVhZC93cml0dGVuI
HRvIGxvb2sgbGlrZSBnaWJiZXJpc2gu
UUIDs are horrible. While a computer doesn't really care about the way an identifier looks, humans sometimes do need to look at them and operate on them (compare them, transcribe them, dictate them, recognize them).